Use omap_gem APIs for accessing private data

The current code accesses the private buffer from DRM object directly. Instead,
use the APIs defined in omap_gem to access the private data.

Change-Id: Ibd6c0bd9c4dfe7df4926e55ca0f28b917cbc262d
Signed-off-by: Anand Balagopalakrishnan <anandb@ti.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/eurasia_km/services4/srvkm/env/linux/mmap.c b/eurasia_km/services4/srvkm/env/linux/mmap.c
index 7e2fb34..bab4c2a 100644
--- a/eurasia_km/services4/srvkm/env/linux/mmap.c
+++ b/eurasia_km/services4/srvkm/env/linux/mmap.c
@@ -89,6 +89,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #error "The mmap code requires PVR_SECURE_HANDLES"
 #endif
 
+#define SGX_DRM_MAPPER_ID       (0)
+
 /* WARNING:
  * The mmap code has its own mutex, to prevent a possible deadlock,
  * when using gPVRSRVLock.
@@ -1348,8 +1350,9 @@ static void
 MMapVOpenExt(struct vm_area_struct* ps_vma)
 {
         struct drm_gem_object *obj = ps_vma->vm_private_data;
+        void *priv = omap_gem_priv(obj, SGX_DRM_MAPPER_ID);
         PKV_OFFSET_STRUCT psOffsetStruct =
-                        FindOffsetStructByPID(obj->driver_private, OSGetCurrentProcessIDKM());
+                        FindOffsetStructByPID(priv, OSGetCurrentProcessIDKM());
         if (WARN_ON(!psOffsetStruct))
                 return;
         LinuxLockMutex(&g_sMMapMutex);
@@ -1361,8 +1364,9 @@ static void
 MMapVCloseExt(struct vm_area_struct* ps_vma)
 {
         struct drm_gem_object *obj = ps_vma->vm_private_data;
+        void *priv = omap_gem_priv(obj, SGX_DRM_MAPPER_ID);
         PKV_OFFSET_STRUCT psOffsetStruct =
-                        FindOffsetStructByPID(obj->driver_private, OSGetCurrentProcessIDKM());
+                        FindOffsetStructByPID(priv, OSGetCurrentProcessIDKM());
         if (WARN_ON(!psOffsetStruct))
                 return;
         LinuxLockMutex(&g_sMMapMutex);
@@ -1414,7 +1418,7 @@ PVRMMapExt(struct file* pFile, struct vm_area_struct* ps_vma)
 
         psOffsetStruct->ui32UserVAddr = ps_vma->vm_start;
 
-        obj->driver_private = psOffsetStruct->psLinuxMemArea;
+        omap_gem_set_priv(obj, SGX_DRM_MAPPER_ID, psOffsetStruct->psLinuxMemArea);
 
 
     /* Compute the flush region (if necessary) inside the mmap mutex */